| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-weakset-iterable |
| description: > |
| Throws TypeError if add is not callable on constructor call. |
| info: | |
| 23.4.1.1 WeakSet ( [ iterable ] ) |
| |
| ... |
| 5. If iterable is not present, let iterable be undefined. |
| 6. If iterable is either undefined or null, let iter be undefined. |
| 7. Else, |
| a. Let adder be Get(set, "add"). |
| b. ReturnIfAbrupt(adder). |
| c. If IsCallable(adder) is false, throw a TypeError exception. |
| ... |
| ---*/ |
| |
| WeakSet.prototype.add = null; |
| new WeakSet(); |
| |
| assert.throws(TypeError, function() { |
| new WeakSet([]); |
| }); |